Home / 14,102.13-21,155.04-4,738.13

Finding the Fourth Proportional to 14,102.13, 21,155.04 and 4,738.13

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Solution

The fourth proportional to 14,102.13, 21,155.04 and 4,738.13 is: 7,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.13 : 21,155.04 = 4,738.13 : x
  2. Step 2: Convert to fraction form
    14,102.13/21,155.04 = 4,738.13/x
  3. Step 3: Cross multiply
    14,102.13x = 21,155.04 × 4,738.13
  4. Step 4: Simplify right side
    14,102.13x = 100,235,303.23
  5. Step 5: Solve for x
    x = 100,235,303.23/14,102.13
  6. Step 6: Final answer
    x = 7,107.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.